The 2013 Sydney Roosters season was the 106th in the club's history.
They competed in the 2013 National Rugby League season.
In 2013, Trent Robinson coached the Sydney Roosters.
Anthony Minichiello captained the team in 2013 along with four vice-captains in Boyd Cordner, Jake Friend, Mitchell Pearce and Jared Waerea-Hargreaves.
The Sydney Roosters were crowned Premiers by defeating the Manly-Warringah Sea Eagles 26 – 18 in the 2013 NRL Grand Final.